Key statistics
Satellite DELTA 1 DEB at a glance.
Uptime
19036
Days in orbit
Revolutions
≈ 12.5
Per day
Orbit
SSO
Sun Synchronous Orbit
Inclination
102.0
Latest
Satellite identification and parameters
Extended collection of information and parameters for DELTA 1 DEB.
Object identification
Identified? True
Debris? True
Object name: DELTA 1 DEB
International designator: 1973-086HN
Object number (NORAD): 42574
Object ID (CCSDS): 42574
Country: UNITED STATES OF AMERICA (US)
Current information (Y/N): Y
RCS size: SMALL
Orbital parameters
Period: 115.381 minutes
Inclination: 102.0116 deg
SMA: 7850.834 km
Apoapsis: 1492.389 km
Periapsis: 1453.008 km
RAAN: 336.2434 deg
Eccentricy: 0.00250806
Argument of periapsis: 260.0025 deg
Mean anomaly: 99.8213 deg
Mean motion: 12.4804172 rev/day
Mean motion (dot): 0.00000372 rev/day2
B* drag term: 0.0028131194 1/REarth
Two-line elements (TLE)
Creation date: Dec. 15, 2025, 4:20 a.m.
Reference frame: TEME
Reference center: EARTH
Epoch: Dec. 14, 2025, 4:18 p.m. UTC
TLE line 0: 0 DELTA 1 DEB
TLE line 1: 1 42574U 73086HN 25348.67938789 .00000372 00000-0 28131-2 0 9994
TLE line 2: 2 42574 102.0116 336.2434 0025081 260.0025 99.8213 12.48041720550046
Live tracking on map
Real-time ground track for satellite DELTA 1 DEB.
Associated space launch
Meteorological satellite using radiometric imaging
DELTA 1 DEB was lifted into orbit during the mission ‘Delta 0300 | NOAA 3’, on board a Delta 0300 space rocket.
The launch took place on Nov. 6, 1973, 5:02 p.m. from Space Launch Complex 2W.
For more information about the launch, click the button.
Delta 0300 | NOAA 3
Agency: N/A
Status: Launch Successful
Launch date: Nov. 6, 1973, 5:02 p.m. UTC
Rocket: Delta 0300
Launch pad: Space Launch Complex 2W
Location: Vandenberg SFB, CA, USA
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